GB/T 15843.4-2024 English PDF (GB/T15843.4-2024) GB/T 45414-2025 4-2025_Chinese: Marine energy - Wave

4-2025_Chinese: Marine energy - Wave

64-2025_Chinese: Liquid crystal display devices - Part 6-4: Test methods - Liquid crystal displaymodules with dynamic backlight units (Chinese: 液晶显示器件 第6-4 部分：测试方法 带动态背光的液晶显示模块)

GB/T 44913-2024_Chinese: Filled monocrystal gemstones - Identification and classification (Chinese: 充填处理单晶体宝石 鉴定与分类)

GB 31830-2024_Chinese: Norm of energy consumption per unit production of toluene diisocyanate and diphenyl methane diisocyanate (Chinese: 甲苯二异氰酸酯和二苯基甲烷二异氰酸酯单位产品能源消耗限额)

GB/T 22939

GB/T 15843.4-2024 English PDF (GB/T15843.4-2024) GB/T 45414-2025 4-2025_Chinese: Marine energy - WaveGB T 15843. 4 2024_Chinese: Information technology Security techniques Entity authentication Part 4: Mechanisms using a cryptographic check function (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 15843. 4 2024